FY2025 · ended Dec 31, 2025 · Revenue $4.36B, +9.6% YoY · Filed Feb 20, 2026
Alliant Energy Corp (LNT) files with the SEC under industry code 4931, Electric & Other Services Combined. In fiscal 2025, which ended Dec 31, 2025, it reported revenue of $4.4 billion and net income of $810.0 million. As of Mar 31, 2026 it held $839.0 million in cash and investments and $11.4 billion in total debt.
Revenue (TTM)
$4.42B
+8.3% vs year-ago TTM
Net income (TTM)
$821.00M
+10.2% vs year-ago TTM
Operating cash flow (TTM)
$1.29B
+16.1% vs year-ago TTM
Free cash flow
$-998.00M
-70.0% vs prior year
EPS (TTM)
$3.18
+9.7% vs year-ago TTM
Dividend per share (TTM)
$2.06
+5.6% vs year-ago TTM
Shares outstanding
257.14M
+0.2% vs prior year
Net cash
$-10.60B
as of Mar 31, 2026
Operating margin
23.0%
FY 2026
Company profile
- Industry
- Electric & Other Services Combined (SIC 4931)
- Listed as
- LNT (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- WI
- Headquarters
- Madison, WI
- SEC filer status
- Large accelerated filer
- SEC CIK
- 352541
- Former names
- ALLIANT ENERGY CORP (until Oct 30, 2026); INTERSTATE ENERGY CORP (until May 13, 1999); WPL HOLDINGS INC (until Feb 23, 1998)
Other Electric & Other Services Combined companies
- Duke Energy CORP DUK
- Xcel Energy Inc XEL
- Exelon Corp EXC
- Consolidated Edison Inc ED
- PG&E Corp PCG
- Wec Energy Group, Inc. WEC
- Public Service Enterprise Group Inc PEG
- Ameren Corp AEE
Key figures
Fiscal-year totals from the annual reports. Balance sheet lines are as of each year end.
| Line | FY 2025 Dec 31, 2025 |
FY 2024 Dec 31, 2024 |
FY 2023 Dec 31, 2023 |
FY 2022 Dec 31, 2022 |
FY 2021 Dec 31, 2021 |
|---|---|---|---|---|---|
| Revenue | $4.4B | $4.0B | $4.0B | $4.2B | $3.7B |
| Operating income | $1.0B | $886.0M | $943.0M | $928.0M | $795.0M |
| Net income | $810.0M | $690.0M | $703.0M | $686.0M | $674.0M |
| Diluted EPS | $3.14 | $2.69 | $2.78 | $2.73 | $2.63 |
| Operating cash flow | $1.2B | $1.2B | $867.0M | $486.0M | $582.0M |
| Free cash flow | — | — | — | -$998.0M | -$587.0M |
| Total assets | $25.0B | $22.7B | $21.2B | $20.2B | $18.6B |
| Stockholders' equity | $7.3B | $7.0B | $6.8B | $6.3B | $6.0B |
| Cash and investments | $1.2B | $720.0M | $664.0M | $579.0M | $556.0M |
| Total debt | $12.3B | $10.6B | $9.7B | $8.9B | $7.9B |
Recent SEC filings
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Oct 30, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2026 | Oct 29, 2026 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 28, 2026 | Oct 26, 2026 |
| 8-K |
Current report
Other events
|
Aug 21, 2026 | Aug 21, 2026 |
| 10-Q | Quarterly report | Jul 31, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2026 | Jul 30, 2026 |
All 1000 Alliant Energy Corp SEC filings
Source: SEC EDGAR filings. This is company-reported data, not investment advice.